Gaiane Panina, Ileana Streinu. Flattening single-vertex origami: the non-expansive case. In John Hershberger, Efi Fogel, editors, Proceedings of the 25th ACM Symposium on Computational Geometry, Aarhus, Denmark, June 8-10, 2009. pages 306-313, ACM, 2009. [doi]
Abstract is missing.